Home / Standards / GB/T 18842-2002 GB/T 18842-2002 Abolished Taper cylindrical involute splines 圆锥直齿渐开线花键 Standard Type GBT ICS 21.120.30 CCS J18 Status 废止 Issue Date 2002-09-13 Implementation 2003-04-01 Responsible Dept 国家标准委 Drafting Unit N/A